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-rw-r--r--tools/perf/Makefile.perf4
1 files changed, 3 insertions, 1 deletions
diff --git a/tools/perf/Makefile.perf b/tools/perf/Makefile.perf
index efc5158738f4..ec4c063ed9f3 100644
--- a/tools/perf/Makefile.perf
+++ b/tools/perf/Makefile.perf
@@ -68,7 +68,9 @@ include config/utilities.mak
# for reading the x32 mode 32-bit compatibility VDSO in 64-bit mode
#
# Define NO_ZLIB if you do not want to support compressed kernel modules
-
+#
+# Define NO_LIBBABELTRACE if you do not want libbabeltrace support
+# for CTF data format.
ifeq ($(srctree),)
srctree := $(patsubst %/,%,$(dir $(shell pwd)))